A 69-year-old man was seriously injured by a homemade cannon on the Fourth of July in Newton, according to authorities.Police were called to a home on Thornell Road around 7:30 p.m. where officers found the man on the ground with a 3-inch head wound.He was flown to Brigham and Women's Hospital in Boston.There was no word on his condition. 12967056

NEWTON, N.H. —

A 69-year-old man was seriously injured by a homemade cannon on the Fourth of July in Newton, according to authorities.

Police were called to a home on Thornell Road around 7:30 p.m. where officers found the man on the ground with a 3-inch head wound.